As it turns out, a yellow battery symbol on your iPhone's status bar is not something to worry about. It's simply an indication that your device is in Low Power Mode .

The "yellow mode" on iPhone. It is officially known as Low Power Mode, available within the battery settings on the iPhone. The often-missed feature turns the battery bar on the top of the iPhone ...

A YELLOW symbol on your iPhone means your handset isn’t as powerful as it normally would be. It’s nothing to panic about, but it’s handy for all iPhone owners to know what it mean… ...

YOUR iPhone battery bar is probably green most of the time – and sometimes red – but not always. It can also turn yellow, and that’s got a very important meaning. Apple uses the yellow color … ...

Apple plans to bring the classic iOS battery indicator back to the status bar directly on the upcoming iPhone 14 Pro and iPhone 14 Pro ... a swipe-down menu bar at the top of the screen, and more.